The Literature of the California Least Tern PDF Download
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Author: Sanford R. Wilbur
Publisher:
ISBN:
Category : Migratory birds
Languages : en
Pages : 24
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Book Description
This paper summarizes information contained in about 100 references to the California least tern and related subspecies. Additional records of past distribution derived from several museum collections are also included.
Author: Sanford R. Wilbur
Publisher:
ISBN:
Category : Migratory birds
Languages : en
Pages : 24
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Book Description
This paper summarizes information contained in about 100 references to the California least tern and related subspecies. Additional records of past distribution derived from several museum collections are also included.
Author:
Publisher:
ISBN:
Category : Bird populations
Languages : en
Pages : 46
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Book Description
Author:
Publisher:
ISBN:
Category : Least tern
Languages : en
Pages : 68
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Book Description
Author: Barbara W. Massey
Publisher:
ISBN:
Category : Birds
Languages : en
Pages : 32
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Book Description
Author: Paul L. Whitman
Publisher:
ISBN:
Category : Laridae
Languages : en
Pages : 32
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309166144
Category : Science
Languages : en
Pages : 336
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Book Description
The tension between wildlife protection under the Endangered Species Act and water management in the Platte River Basin has existed for more than 25 years. The Platte River provides important habitat for migratory and breeding birds, including three endangered or threatened species: the whooping crane, the northern Great Plains population of the piping plover, and the interior least tern. The leading factors attributed to the decline of the cranes are historical overhunting and widespread habitat destruction and, for the plovers and terns, human interference during nesting and the loss of riverine nesting sites in open sandy areas that have been replaced with woodlands, sand and gravel mines, housing, and roadways. Extensive damming has disrupted passage of the endangered pallid sturgeon and resulted in less suitable habitat conditions such as cooler stream flows, less turbid waters, and inconsistent flow regimes. Commercial harvesting, now illegal, also contributed to the decline of the sturgeon. Endangered and Threatened Species of the Platte River addresses the habitat requirements for these federally protected species. The book further examines the scientific aspects of the U.S. Fish and Wildlife Service's instream-flow recommendations and habitat suitability guidelines and assesses the science concerning the connections among the physical systems of the river as they relate to species' habitats.
Author: Hans Larsson
Publisher: A&C Black
ISBN: 1408131684
Category : Nature
Languages : en
Pages : 225
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Book Description
Covering 22 species found in the Western Palearctic and North America, this guide lists each species under the sections of: field identification; moult; description; geographical variation; measurements; and weight. It includes a quick reference section summarising key identification features. Terns are elegant sea and marshland birds that live throughout the world. In Europe and North America a total of twenty-three species is represented, all of which are dealt with in this book. The variations among the species and their subspecies is great, and identification is therefore often highly problematic. Terns are long-distance migrants and can be seen regularly on passage between their normal breeding and wintering areas. Klaus Malling Olsen devotes much attention to the immature and winter plumages of these birds, which are generally inadequately described in most other field guides, while he also deals in depth with the problems of moult, species, and subspecies. The text covers the bird in the field, moult, and the bird in the hand. The author concludes each species account with extensive data on measurements and weight and an itemized key to identification. The text is accompanied by over forty colour plates, which have been specially prepared for this guide by the talented Swedish bird artist Hans Larsson. The book is completed with a forty-eight-page representative photographic section.
Author: John G. Sidle
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 108
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Book Description
Author:
Publisher:
ISBN:
Category : Endangered species
Languages : en
Pages : 352
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 584
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Book Description
